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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.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
Block Diagram of a High Concentrate Nitric Acid System for Dual-Stage Pressure Production of Nitric
SOHC engines usually require additional components such as a rocker arm to operate all of the ...
Tall safety stands can be used to provide additional support for the vehicle while on the hoist.
A close relationship between greenhouse gas emissions and a country’s gross domestic product
To find the derivative use product rule
Production of ABO blood group antigens