26Chopping Wood
Chopping wood increases testosterone production by 46.8%. That’s as much as 17% higher than soccer and other studied competitive sports.
27. The oxytocin hormone which triggers feelings of unconditional love and protection spikes when parents and children look into each other’s eyes or embrace. This spike is also seen in both human and canine brains when they interact, which shows that we love our pets in the same way as family members, and dogs return this devoted affection.
28. Habitual singing causes the lungs to release leptin, a protein manufactured by the body’s fat cells that are involved in the regulation of appetite. This may partially explain why opera stars tend to lean toward the heavy end of the scale.
29. Levels of the stress hormone, ‘cortisol’, which is the same ancient chemical that instructs men to fight, tends to spike about four to six weeks after men learn they are going to be fathers.
30. Melatonin is the hormone that’s associated with the control of our sleep-wake cycles. It evolved 700 million years ago from our tiny oceangoing ancestors that would swim to the surface of the sea at twilight and then sink into the depths of the ocean in a sleepy fall through the night.
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31Insulin Shock Therapy
‘Insulin Shock Therapy,’ is a practice of giving increasingly high insulin levels to psychiatric patients (mostly schizophrenics) until the patient falls into a coma for up to an hour, six days a week or for up to two years.
32. Due to the withdrawal of hormones received in the womb some newborn girls experience menstrual bleeding from their vaginas at 2 or 3 days of age.
33. The oxytocin system develops during childhood and if that system doesn't develop properly, you are more prone to alcoholism and drug addiction as an adult.
34. Men also have a hormonal cycle in which varying levels of testosterone affect mood, sex drive, and behaviors whilst simultaneously being responsive to cues in a woman's hormonal cycle, however, the outward signs displayed are not as evident as a woman's monthly cycle.
35. Coffee really can make you poop. Multiple studies have shown that coffee has a laxative effect by stimulating gastrin's release, which increases activity in the colon. Some individuals experience this effect almost immediately after sipping coffee.
