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?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Monozygotic versus Dizygotic Twins
major themes
Foveal Versus Peripheral Acuity
major events at the synapse
Routes of Drug Administration: Advantages and Disadvantages
Metabolic interactions among the major fuel-metabolizing organs