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Peptides are short chains of amino acids that naturally occur in the body, acting as hormones such as insulin, oxytocin and vasopressin, or as fragments released during protein digestion.In recent years, a wave of interest has turned these molecules into purported therapeutic agents for everything from weight loss to anti‑ageing and tissue repair. Prescription drugs like semaglutide (Wegovy) and tirzepatide (Mounjaro) are synthetic peptides that have undergone rigorous clinical testing and are approved for specific medical uses.However, a large portion of the market consists of unregulated, experimental peptides sold for self‑administration. These products often bypass the strict approval processes required for medicines, raising serious safety concerns.Who is using these products? Initially confined to a niche of powerlifters and bodybuilders in the 2010s, the audience has expanded dramatically. Influential figures such as podcaster Joe Rogan have promoted combinations like the “Wolverine stack” (BPC‑157 and TB‑500) for injury recovery, while other compounds—CJC‑1295, MK‑677, ipamorelin, and GHK‑Cu—are marketed for muscle growth and anti‑ageing. Social media platforms are now flooded with instructions on purchasing and injecting these substances.Scientific backing is scant. Reviews of the literature reveal that most experimental peptides have only been tested in animal or cell models. For example, BPC‑157 shows promise for tendon and muscle repair in pre‑clinical studies, but no randomized human trials have validated these effects. Similarly, TB‑4 and its synthetic analogue TB‑500 have demonstrated limited blood‑vessel formation in laboratory settings, yet human data are absent and both are listed as prohibited substances by the World Anti‑Doping Agency.Researchers also highlight a critical knowledge gap: dosage, frequency and treatment duration remain undefined, making self‑administration a gamble.Legal landscape in the UK is clear that peptides not classified as medicines fall outside the Medicines and Healthcare products Regulatory Agency’s (MHRA) remit. If a seller makes medicinal claims, the product must hold a marketing authorisation under the Human Medicines Regulations 2012. The MHRA warns that labeling items as “research use only” does not shield vendors from enforcement when evidence shows the products are intended for human consumption.Health risks are multi‑fold. Experts caution that benefits observed in animal studies do not guarantee safety in humans. Contamination with harmful impurities or bacterial endotoxins can trigger severe reactions, including septic shock. Injecting excess natural peptides may disrupt the body’s tightly regulated hormonal balance, potentially affecting multiple physiological pathways.There is also theoretical concern that augmenting peptide levels could accelerate tumour growth, as some cancers over‑express certain peptide pathways. While no direct cases have been documented, the possibility underscores the need for caution.Additional dangers include improper injection techniques (e.g., air embolism), unknown interactions with existing medications, and the lack of systematic monitoring of long‑term effects. As one researcher put it, “If something goes wrong, users may never notice until irreversible damage has occurred.”

Former Brazilian international Oscar has been forced to retire from professional football at the age of 34 due to cardiac problems, his club São Paulo confirmed on Saturday.The attacking midfielder had to spend five days in hospital after fainting during a routine medical in November, following which he was diagnosed with vasovagal syncope, a condition caused by a sudden drop in blood pressure, heart rate, and cerebral blood flow.Oscar, who had a contract set to expire in 2027, expressed his sentiments on retiring, stating, “I am ending a career here in São Paulo that has taken me practically to the four corners of the world,” in a club statement.During his career, Oscar played for prominent clubs including Chelsea and Shanghai Port. With Chelsea, he won two Premier League titles and the Europa League. In China, he secured three Chinese Super League titles with Shanghai.Oscar also had an illustrious international career, earning 48 caps for Brazil, winning the Confederations Cup, and playing in the 2014 World Cup on home soil.

The conflict between the US and Israel against Iran has taken a devastating toll on the country's healthcare system. At least 2,076 people have been killed and 26,500 wounded in Iran since the US and Israel first launched strikes on the country on February 28.Iranian President Masoud Pezeshkian has strongly condemned the attacks, appealing to international health organizations to respond to the crisis. On Thursday, he wrote on X: “What message does attacking hospitals, pharmaceutical companies and the Pasteur Institute as a medical research center in Iran convey?”The Pasteur Institute, a key center for medical research and vaccine production in Tehran, has been targeted. The institute, founded over 100 years ago in collaboration with the Institut Pasteur in Paris, conducts research on infectious diseases, produces vaccines, and provides advanced diagnostics.According to the World Health Organization (WHO), over 20 attacks on healthcare facilities in Iran have been verified since March 1, resulting in at least nine deaths, including an infectious diseases health worker and a member of the Iranian Red Crescent Society.Some of the facilities hit include:Red Crescent warehouse in Bushehr province, which was destroyed by a drone strike on Friday morning.Tofigh Daru Research and Engineering Company, one of Iran’s largest pharmaceutical companies, which was hit on March 31.Delaram Sina Psychiatric Hospital in Tehran, which was significantly damaged on March 29.Ali Hospital in Andimeshk, which sustained damage from an explosion on March 21.Gandhi Hospital in Tehran, which was damaged during attacks on a nearby television communications tower on March 2.International humanitarian law states that health establishments and units, including hospitals, should not be attacked. The United Nations Security Council resolution 2286 was adopted unanimously in 2016, condemning attacks on healthcare and calling on nations to respect international law.The attacks on healthcare facilities are not limited to Iran. Israel has also targeted healthcare facilities in Lebanon and Gaza, resulting in significant damage and loss of life.

The conflict between Iran, the United States, and Israel has escalated on day 35, with the US and Israel widening their attacks on Iranian infrastructure. The strikes have targeted a century-old medical research centre in Tehran, steel plants, and a bridge near the capital, which Iran claims was civilian infrastructure.The human toll continues to rise, with at least 2,076 people killed and 26,500 wounded in Iran since the start of the US-Israeli attacks. Iran's Foreign Ministry reports that more than 600 schools and education centres have been hit since February 28.Iran's military has vowed to continue the war until its enemies face 'humiliation' and 'surrender', warning the US against a ground invasion. The Iranian Foreign Ministry has stated that it is ready for any type of attack, including a ground attack.In a significant development, US Defense Secretary Pete Hegseth has abruptly fired the US Army's top general and two other senior officers, sparking speculation of a wartime leadership shake-up.The conflict has also drawn in other countries, with Pakistan pushing for US-Iran talks and the United Kingdom holding talks with about 40 countries on reopening the Strait of Hormuz, which carries about 20 percent of the world's oil and LNG. The US has lost 13 service members in combat and two to noncombat causes, with more than 200 injured.In Israel, sirens have become 'part of life', with residents repeatedly heading to shelters, especially in the Tel Aviv area. The conflict has also intensified along the northern front, with Hezbollah carrying out 60 military operations against Israel in 24 hours.

Israel's ongoing attacks on Lebanon have led to a significant deterioration of the country's healthcare infrastructure. In the past month, 53 medical workers have been killed, 87 ambulances and medical centers destroyed, and five hospitals forced to close, according to Lebanon's Ministry of Public Health.The attacks have resulted in the displacement of 1.2 million people, putting an enormous strain on the already struggling Lebanese healthcare system. Experts and analysts say that Israel's actions are part of a broader strategy to force people out of southern Lebanon.“Israeli strikes and blanket evacuation orders are cutting people off from care and shrinking the space for health services to function,” said Luna Hammad, Lebanon medical coordinator for Doctors Without Borders (MSF). MSF has documented a pattern of attacks affecting healthcare.The destruction of healthcare infrastructure has also led to a significant increase in emergency room admissions. Healthcare facilities are under higher strain than before, with many patients needing treatments like chemotherapy, radiotherapy, and dialysis being transferred further north.Direct attacks on healthcare workers and facilities have been documented by Human Rights Watch (HRW), which has noted repeated, apparently deliberate attacks on medical workers in Lebanon. Medical workers and healthcare facilities are protected under international humanitarian law, and Israel's attacks on medics in 2024 were described as an apparent war crime by HRW.The attacks on healthcare infrastructure during times of war are not new. Forensic Architecture has documented systematic targeting of hospitals and healthcare workers in Gaza. Experts warn that such attacks have compounding effects, including treatable injuries getting worse, war wounds not healing properly, and long-term consequences.Experts and analysts say that the attacks are unlikely to cease as long as the pattern of impunity continues. Lebanon's government has a responsibility to ensure accountability and to give jurisdiction to the International Criminal Court (ICC) to investigate and prosecute war crimes.

President Donald Trump has taken a significant step to push for pharmaceutical deals by signing an executive order that could impose tariffs of up to 100% on some patented drugs. This move is part of his administration's effort to secure lower prices for medicines.Under the executive order, companies that have signed a 'most favoured nation' pricing deal and are actively building facilities in the US will have a zero-percent tariff. For those that don't have a pricing deal but are building such projects in the US, a 20 percent tariff will apply, but it will increase to 100 percent in four years.A senior administration official stated that companies still have months to negotiate before the 100 percent tariffs kick in. Bigger companies will have 120 days, and 180 days are offered for everyone else.The administration has already reached 17 pricing deals with major drugmakers, 13 of which have signed. The executive order aims to address the threatened impairment of national security posed by imports of pharmaceuticals and pharmaceutical ingredients.Critics, pharmaceutical leaders, and medical groups have warned of the consequences the new tariffs could bring, including increased costs and potential jeopardy to billions in US investments. The pharmaceutical company trade group PhRMA has expressed concerns that taxes on cutting-edge medicines will increase costs and could jeopardize investments.

Channel 4 is poised to shake up the traditional Boat Races with its debut coverage of the event, bringing a fresh perspective and new talent to the table. The network has acquired the broadcasting rights from the BBC, signaling a significant change in the event's media landscape. The Boat Races, a storied competition between Oxford and Cambridge universities, has been a staple of British sport since 1829. This year's event promises to be exciting, with Oxford's Heidi Long, a bronze medalist in the women's eight at Paris 2024, leading the charge against Cambridge's dominant women's team. Clare Balding, previously the face of the BBC's coverage, will continue as presenter, joined by newcomers Jamie Laing, a reality TV star and Radio 1 DJ, and Ade Adepitan, a TV presenter and Londoner. The on-screen team aims to bring a new dynamic to the event, appealing to a younger demographic. The production company, FilmNova, brings four years of experience from BBC broadcasts and has planned several innovations, including relatable comparisons and humanizing the rowers. One highlight is a 'fantasy boat' featuring well-known sportspeople, such as Serena Williams and Frankie Dettori. The Boat Races also shed light on pressing issues like Thames Water's mismanagement and sewage pollution in Britain's waterways, adding a layer of depth to the event. As Channel 4 takes the reins, the athletes can focus on their goals, with Long and her Oxford teammates striving to end Cambridge's eight consecutive wins. Heidi Long's remarkable story, balancing rowing with medical studies and personal loss, exemplifies the dedication and resilience of the athletes. Her leadership and experience are seen as key factors in Oxford's bid for victory.

In the midst of ongoing conflict between Iran, the US, and Israel, a beacon of hope and joy has emerged at the Children's Medical Center in Tehran. The hospital, operating under the Tehran University of Medical Sciences, has become a sanctuary for young patients and their families, providing a much-needed respite from the stress and anxiety of war.On Thursday, families across Iran celebrated Sizdah Bedar, or Nature Day, marking the 13th day of Nowruz, the Persian New Year. While many gathered at Pardisan Park in Tehran to spend time with loved ones, a group of doctors and healthcare providers at the Children's Medical Center worked tirelessly to create a joyful experience for children who could not join in due to illness.Resident doctors and interns have been pooling their own resources and relying on donations to organise activities for the children. The hospital, which has not been impacted by strikes unlike some other medical facilities in Tehran, has seen a decline in patient numbers due to the war, with some parents opting to take their children to paediatric facilities in other cities perceived as safer.Dr. Samaneh Kavousi, one of the organisers, emphasised the importance of providing relief to children and their families, stating, 'We've been trying to do what we can to relieve some of that anxiety.' The hospital's efforts have included art therapy, music, and play activities, as well as distributing fun bags filled with toys and food.Despite the challenges posed by the war, the hospital remains prepared to quickly bounce back to normal activity levels when the conflict ends. Dr. Zeynab Aalihaghi, another resident organiser, noted that the facility faces no shortage of medicine at the moment and hopes to continue helping children and their families.As the war continues, the Children's Medical Center in Tehran stands as a testament to the resilience and dedication of healthcare personnel and the importance of providing hope and joy to those affected by conflict.

Tiger Woods, the renowned golf superstar, has made a significant decision to step down as the US captain for the 2027 Ryder Cup. This move allows him to focus on his health and well-being, following a recent court ruling that granted him permission to travel abroad for comprehensive inpatient treatment.A Florida judge approved Woods's request, citing his need for an “intensive, highly individualized and medically integrated program” away from media scrutiny. Woods's lawyer argued that his client's complex clinical presentation required a level of care that couldn't be safely provided in the United States.The decision comes on the heels of Woods's recent misdemeanor driving under the influence (DUI) charges following a rollover crash in Jupiter, Florida. Woods had pleaded not guilty to the charges, which included property damage and refusal to submit to a urinalysis. The incident revealed that Woods had been swearing profusely, showed signs of lethargy, and had extremely dilated pupils.Woods has been open about his need for treatment, stating that he aims to achieve lasting recovery. In a public statement, he expressed his commitment to prioritizing his health and seeking the necessary support. The PGA of America, PGA Tour, and Augusta National Golf Club have all offered their support for Woods during this challenging time.The PGA of America has announced that they will provide further updates on the Ryder Cup Captaincy when appropriate. For now, Woods's focus remains on his health and well-being, and the golf community rallies around him in support of his journey toward recovery.