Chapter 16: Aging and Disease

senescence_age: do inanimate objects senesce? bulbs, battery... wild studies unreliable since animals die from predation pleiotropy_timing sickle cell - hemoglobun, oxygen, capillaries
run faster early in life, Parkinson's late (low dopamine - hormone/neurotransmitte)
tsetse: parasite protozoa genus Trypanosoma; bite for bloodmeal. abnormal_abdomen early maturation -> obesity in girls;
Arthropod cuticle (exo) chitin (polysaccharide) & protein, + calcium in Crustacea.
longevity residual = observed - predicted; resources eg: defibrillator
frog_parasite Trematoda (fluke) : Platyhelminthes; cercaria, can cause swimmer's itch (avian hosts)
spicy_temperatures Capsaicin in peppers boosts metabolic rate, prevent blood clots, fight cancer?

  1. Glucocorticoids: steroid by adrenal glands; Aldosterone (epinephrine from medulla)