>> Obesity is probably the root cause of both Equally, lower testosterone levels often result in diminished activity and less muscle mass, leading to weight g

>> Obesity is probably the root cause of both Equally, lower testosterone levels often result in diminished activity and less muscle mass, leading to weight gain. But the primary cause of reduced testosterone is age. The trick to avoiding all of these problems is to not be old. Stay at 18 and you are less likely to suffer any of these things.