HealthJust a few hours’ exercise a week makes your heart grow bigger It’s not just Olympians and other top athletes. Scanning the hearts of over a thousand people has revealed moderate exercise can be enough to enlarge hearts too 51¶¯Âþ
HealthZika epidemic could burn out in 3 years but return after 10 Herd immunity could drive the Zika epidemic in South and Central America to an end, but some 93 million people could be infected before then 51¶¯Âþ