Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
Did you know?
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.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Eye Color Is a Sex-Linked Trait in Drosophila (Part 3)
Phobos in color by Mars Reconnaissance Orbiter - HiRISE
IgE Response
Conservation biology arose in response to biodiversity loss