Bonobos have a male philopatric society; males remain with their birth group whereas females migrate to other groups during adolescence. Sexual activity plays a large role in bonobo society; it is used for pleasure, social bonding, and conflict resolution.
A Letrozole side effect - excessive stomach gas. I have been taking letrozole for a year, following chemo and radio for breast cancer. I suffer from excessive stomach gas. The emissions are so smelly that it is embarassing to go out sometimes.
However, overall survival was the same whether a woman took the aromatase inhibitor for 5 years or 10 years [164]. And, women who took letrozole for 10 years continued to have side effects from the drug, including a higher number of bone fractures and a higher rate of osteoporosis [164].