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Author Question: An embryo with one X and one Y chromosome will develop male characters because of (Read 64 times) |
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
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.
Medication errors are three times higher among children and infants than with adults.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.