A new study of exceptionally long-lived Rottweilers revealed that keeping their testes for longer may help them age more gracefully, offering fresh clues for how hormones shape frailty and resilience ...
A new study suggests that one important way to protect against the dangers of frailty later in life may come from something ...
How much frailty in old age can shorten life apparently depends on how long a dog’s hormonal balance remains intact. A study of exceptionally long-lived Rottweilers shows: In males that were neutered ...
Low testosterone isn’t just an “older men” issue. In clinics and surveys, more men in their 20s and 30s report symptoms ...
In seasonally breeding birds annual changes occur in hormone production by the hypothalamic-pituitary-gonadal (HPG) axis as individuals transition between breeding and non-breeding condition.