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Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Water striders serve as a model organism for the study of sexual conflict between males and females. Water striders serve as a model organism for the study of sexual conflict between males and females.
An old concept of genetic transmission—a homunculus in a sperm cell. An old concept of genetic transmission—a homunculus in a sperm cell.
Drugs That May Cause or Worsen Male Sexual Dysfunction Drugs That May Cause or Worsen Male Sexual Dysfunction
Newborn Experiences Across Cultures Newborn Experiences Across Cultures
The rates of police reported sexual offences The rates of police reported sexual offences
Sexual Reproduction in Marchantia Sexual Reproduction in Marchantia
Video: Body plan of euglena Animation

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