Men’s average testosterone levels have halved in last 50 years, say scientists
(www.theguardian.com)
Rising levels of obesity and diabetes are expected to play a part, but the team behind the work suggest that environmental factors such as endocrine-disrupting chemicals – which can be found in various household items – and global heating could also be factors in the apparent striking decline.
So only in ppl who are unhealthy and/or in unhealthy situations. Not really shocking.