Health
Breakthrough in wound healing, electric suture creates excitement
Breakthrough in wound healing, electric suture creates excitement
A new type of suture that combines electrical stimulation with traditional suturing methods has been developed.
It has been demonstrated that this mechanoelectric suture, which is constructed from biodegradable materials and generates electric fields in response to movement, significantly accelerates wound healing and lowers the risk of infection.
This innovative approach could revolutionise wound closure procedures and offer patients a faster and safer healing process.
In an experiment in rats, the new strong, flexible thread hastened wound healing by transforming muscle movement into electricity, researchers report in Nature Communications.
According to materials scientist Chengyi Hou of Shanghai’s Donghua University, the substance “could change how we treat injuries” if it is finally shown to be safe for use in humans.
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Although prior methods depended on large external batteries, researchers already knew that applying electricity to sutures helped accelerate the healing process. The body provides the energy for the new sutures.
The thread is composed of magnesium, a metal that the body may eventually absorb, and biodegradable polymers. The central layer of the thread rubs against the outer shell when the muscles around the sutures contract and relax, which transfers electrons to the shell and produces electricity.
Hou and colleagues used the thread’s electrical stimulation to treat artificial wounds in lab dishes. After 24 hours, fibroblasts, which are critical to healing, reduced the wound area from 69 percent to 11 percent. Untreated artificial wounds reduced in size from 69 percent to 33 percent after 24 hours.
Rodents treated with electrical sutures recovered faster and were less likely to acquire infections than rats treated with regular sutures or left untreated. Next, the team intends to try the sutures on bigger animals.
Breakthrough in wound healing, electric suture create excitement
Health
Nigeria to Receive Breakthrough HIV Prevention Drug This Month – NACA
Nigeria to Receive Breakthrough HIV Prevention Drug This Month – NACA
Nigeria is set to receive Lenacapavir, a groundbreaking HIV prevention drug, in March 2026, the National Agency for the Control of AIDS (NACA) has announced.
The agency disclosed that regulatory approval has been granted by the National Agency for Food and Drug Administration and Control (NAFDAC), clearing the way for the drug’s introduction and nationwide rollout. The confirmation was contained in a statement issued on Monday by Toyin Aderibigbe, Head of Public Relations at NACA.
Lenacapavir, a long-acting injectable HIV prevention drug, has demonstrated 100 percent effectiveness in preventing HIV infection during advanced clinical trials. Unlike daily oral pre-exposure prophylaxis (PrEP) pills, the injectable medication is administered only twice a year, offering a more convenient and discreet prevention option.
NACA said the Federal Government has intensified preparations for the rollout of injectable PrEP in Nigeria, describing the initiative as a critical step toward reducing new HIV infections and strengthening national prevention strategies.
According to the agency, Lenacapavir will be made available at an affordable annual cost of about $40 per person, following voluntary licensing agreements with generic manufacturers. This pricing structure will apply across Nigeria and 119 other low- and middle-income countries, significantly expanding access to the drug.
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“The Government of Nigeria is advancing preparations for the introduction and rollout of lenacapavir as pre-exposure prophylaxis (PrEP). This underscores our commitment to strengthen HIV prevention and accelerate progress toward epidemic control,” the statement said.
As part of readiness efforts, NACA revealed that landscape and preparedness assessments have been completed in 10 states — Akwa Ibom, Anambra, Benue, Cross River, Ebonyi, Gombe, Kano, Kwara, Lagos, and the Federal Capital Territory (FCT) — alongside regulatory clearance by NAFDAC.
Nigeria currently has an estimated 1.9 million people living with HIV, with a national prevalence rate of 1.3 percent among adults aged 15 to 49. In 2021, the country recorded 74,000 new HIV infections and 51,000 AIDS-related deaths, according to official data.
Women aged 15 to 49 are more than twice as likely as men to be living with HIV, while the South-South region bears the highest burden, with an HIV prevalence rate of 3.1 percent.
Health authorities say the arrival of Lenacapavir in Nigeria could mark a major turning point in HIV prevention, particularly for high-risk populations, as the country intensifies efforts to achieve long-term epidemic control.
Nigeria to Receive Breakthrough HIV Prevention Drug This Month – NACA
Health
Popular Brain Supplement Amino Acid May Reduce Longevity in Men
Popular Brain Supplement Amino Acid May Reduce Longevity in Men
A massive study of more than 270,000 people has revealed that higher blood levels of tyrosine, a common amino acid found in protein-rich foods and popular focus-boosting supplements, are associated with shorter life expectancy in men. Researchers suggest that men with elevated tyrosine levels could live nearly one year less on average than those with lower levels, sparking questions about the long-term health effects of both diet and supplements.
The study, led by scientists from the University of Hong Kong and the University of Georgia, analyzed health, genetic, and biochemical data from participants in the UK Biobank, one of the largest population-based studies in the world. The researchers focused on tyrosine and phenylalanine, two amino acids essential to metabolism and neurotransmitter production, including dopamine, which plays a key role in mood, motivation, and cognitive performance.
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Using observational and genetic modeling techniques, the researchers found that while phenylalanine had no consistent effect on lifespan, tyrosine showed a clear and potentially causal link to reduced life expectancy in men. No similar association was observed in women, suggesting that biological and hormonal differences may influence how tyrosine affects aging in men versus women.
Scientists are still investigating why tyrosine might impact longevity. One possible explanation is insulin resistance, a risk factor for age-related diseases, which tyrosine may influence. Another theory involves stress-related neurotransmitters and hormonal pathways that may react differently in men, potentially explaining why the effect was sex-specific.
Although the study did not directly test tyrosine supplements, it raises questions about their long-term safety, particularly for men who may already have high systemic levels. Nutrition experts advise moderation and recommend monitoring protein intake. Common dietary sources of tyrosine include beef, pork, lamb, chicken, turkey, salmon, tuna, mackerel, shrimp, lobster, eggs, dairy, soy, whole grains, nuts, and seeds.
The researchers emphasized the need for further studies to confirm these findings, understand the mechanisms linking tyrosine to male longevity, and explore whether dietary or lifestyle interventions could safely reduce tyrosine levels and promote healthy aging.
Popular Brain Supplement Amino Acid May Reduce Longevity in Men
Health
Labour Unions Barricade NAFDAC Lagos Office Over Sachet Alcohol Ban
Labour Unions Barricade NAFDAC Lagos Office Over Sachet Alcohol Ban
Hundreds of workers and union members under the Nigeria Labour Congress (NLC), Trade Union Congress (TUC), and Food, Beverage and Tobacco Senior Staff Association (FOBTOB) barricaded the NAFDAC office in Isolo, Lagos on Thursday, marking the seventh consecutive day of protests over the enforcement of the sachet alcohol ban. The demonstration disrupted normal operations, with protesters blocking access to the NAFDAC premises from early morning, chanting slogans such as “No work for us, no work for you”, and demanding the immediate reopening of sealed factories, depots, and warehouses nationwide. Police officers intervened mid-morning to restore access, but union leaders vowed to continue their action until all demands are met.
The protest stems from NAFDAC’s enforcement of the ban on sachet alcohol and 10cl PET bottled products, which has led to the closure of several indigenous factories, depots, and warehouses. Union leaders argue that entire facilities — including those producing lawful products — are being shut down unnecessarily, a move they describe as “calculated economic suffocation.” Anthony Oyaga, TUC Secretary, stated: “Across the country, indigenous manufacturing companies are being sealed. Factories are being shut down. Depots are being closed. Warehouses are being locked — including those containing other lawful products not connected to the targeted items.” Protesters warned that prolonged shutdowns are threatening livelihoods, affecting not only factory workers but also transporters, suppliers, distributors, market women, artisans, and logistics personnel. They stressed that such measures could push vulnerable youths into poverty, fuel social vices, and even pose national security risks if the situation persists.
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Union leaders, including FOBTOB National Secretary Jeffery Igein, emphasised that the protests would continue until the government addresses the economic fallout of factory closures and replaces strict enforcement with targeted regulatory measures. “We are not criminals. We are workers. We are producers. We are parents. We are taxpayers. We are Nigerians,” Igein said, stressing that the protests are peaceful and lawful.
NAFDAC, led by Prof. Mojisola Adeyeye, has maintained that it has not received any official directive from the federal government to suspend enforcement. The Federal Ministry of Health and Social Welfare also affirmed that NAFDAC has the exclusive legal mandate to regulate food and drug products, including sachet alcohol. Despite this, union leaders continue to demand dialogue with policymakers and the reopening of factories, depots, and warehouses, arguing that blanket enforcement has caused unnecessary economic hardship.
The protests underscore ongoing tension in Nigeria between public health policies and economic livelihoods, highlighting the delicate balance regulators face in enforcing bans while preserving jobs and sustaining industries. Workers insist that they will maintain pressure until what they call economic strangulation is reversed and structured regulation replaces punitive closures.
Labour Unions Barricade NAFDAC Lagos Office Over Sachet Alcohol Ban
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