A large study aims to follow pet dogs for 10 years or longer to track how genes, diet, exercise and the environment affect aging and the findings may shed light on human health.
Pandemic catalyses blood donor public health research and surveillance bmj.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bmj.com Daily Mail and Mail on Sunday newspapers.
Although at-home antigen testing remains a useful tool, experts warn it is often used inappropriately and can provide false confidence for people concer.