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?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
Did you know?
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
The four ways in which animals exchange heat with the environment are radiation, evaporation, convec
Our Environment
Caregivers’ responses sometimes help a child with strong emotions adapt to the environment.
The Inclusive Classroom: Strategies for Effective Differentiated Instruction
Grade 11 Chem Questions
The PharmGKB Knowledge Pyramid