|
|
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.
There are 20 feet of blood vessels in each square inch of human skin.
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
![Decorative white silk crosses are an ingenious tactic used by orb-weaving spiders to protect their w](https://biology-forums.com/gallery/47/medium_12359_03_04_12_3_11_06.jpeg)
![Maps are important tools in political science as they help us see relationships between politics and](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_33_48_221781179.png)
![Thomas Waterman Wood, a northerner, painted this hopeful interpretation of Reconstruction, His First](https://biology-forums.com/gallery/47/medium_376063_22_08_15_11_28_16_22364178.jpeg)