|
|
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Did you know?
The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.
![At breakfast, a middle-class husband sits absorbed in the newspaper and the public affairs of the da](https://biology-forums.com/gallery/47/medium_6_24_08_15_12_36_52_224132038.jpeg)
![During my research in India, I interviewed this 8-year-old girl. Mahashury is a bonded laborer who ...](https://biology-forums.com/gallery/27/medium_660366_13_04_17_6_20_47_27688377.png)