|
|
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
![Deserts differ across the world. (a) Acacia trees between a gravel plain and sand dunes in the Namib](https://biology-forums.com/gallery/47/medium_33_28_08_11_12_01_59_15552009.jpeg)
![The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo](https://biology-forums.com/gallery/47/medium_274477_04_02_15_12_29_04_20594136.jpeg)