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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.
![(a) Yucca baccata in full flower; (b) a Yucca moth, Tegeticula planella, ovipositing on a Yucca flow](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_40_33_1984551.jpeg)
![scanning electron micrograph showing an ovum (pink) released by the ovary at ovulation surrounded by](https://biology-forums.com/gallery/47/medium_14755_28_08_12_1_48_04_82471241.jpeg)