|
|
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
![Key anatomical features of Homo habilis include reduced facial size, a parabolic palate, and some br](https://biology-forums.com/gallery/47/medium_275510_22_02_15_5_56_51_2070597.jpeg)
![The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_33_47_221751025.png)