|
|
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
![Cushing’s syndrome. A photograph of a woman with the characteristic facial features of Cushing’s syn](https://biology-forums.com/gallery/47/medium_14755_28_08_12_1_43_57_82421002.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)
![In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol](https://biology-forums.com/gallery/47/medium_374628_15_08_15_11_50_50_222292090.jpeg)