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White spots on the gums have many causes. These include mild conditions such as mouth ulcers but could also be a sign of more severe conditions, which could potentially include cancer. White spots on the gums may cause pain or other symptoms Treatment depends on the cause. Learn more about white spots on the gums here.

Some people believe that blood is blue when it is in the body and only turns red when it interacts with oxygen in the air. In this article, we investigate this and other myths and facts about the blood. Which animals have blue blood? How much blood is in the human body? Why is blood red? Find out all this and more.

Some people believe that blood is blue when it is in the body and only turns red when it interacts with oxygen in the air. In this article, we investigate this and other myths and facts about the blood. Which animals have blue blood? How much blood is in the human body? Why is blood red? Find out all this and more.

A person’s blood pressure is measured by the balance between diastolic and systolic pressure in the heart. The current guidelines say that a normal range is under 120/80 mm Hg. Here, we discuss the difference between diastole and systole and the risks of hypertension (high) and hypotension (low) blood pressure.

What is a 'coffin birth,' and what does it tell us about how far we've come in terms of providing appropriate care for expectant mothers?

According to new research, there's more to the berry than its delicious taste. Its pigments may offer new ways to stop cancer and slow the aging process.

A huge study published in a slew of papers has analyzed over 11,000 tumors from 33 cancers and reclassified them by their genomic and molecular makeup.

A huge study published in a slew of papers has analyzed over 11,000 tumors from 33 cancers and reclassified them by their genomic and molecular makeup.

The fallopian tubes can become blocked for a number of reasons, such as scarring and infection. When a blockage occurs, fertility can be affected and a woman may find it more difficult to conceive. Learn about the symptoms of blocked fallopian tubes here, along with the available treatment options to improve fertility.

Diaphragmatic endometriosis occurs when endometrial-like tissue grows in the diaphragm. It can cause pain in the chest or upper abdomen. The condition is rare, affecting 0.6 to 1.5 percent of women, and it can be treated with surgery or medication. Learn about causes, management, and links to fertility and pregnancy.

New research — conducted both in space and on Earth — suggests that simulated microgravity could be used to boost stem-cell therapy for cardiac repair.

Lung cancer is the leading cause of cancer death in the U.S. A new study finds a two-pronged approach that could significantly improve survival rates.

Scientists identify a class of drugs that selectively targets and kills advanced prostate cancer cells that lack the tumor-suppressor protein PTEN.

Breakthrough bleeding or spotting occurs between periods or during pregnancy. Conditions such as fibroids and infections can cause it, and it is a common side effect of hormonal birth control and IUDs. In this article, learn to identify breakthrough bleeding, management techniques, and when to see a doctor.

The results of a study that took years to conduct are finally in: scientists have devised a compound that can boost our immunity against cancer.

The results of a study that took years to conduct are finally in: scientists have devised a compound that can boost our immunity against cancer.

Broken blood vessels or spider veins are enlarged blood vessels under the skin. They can occur anywhere but can appear on the face for a variety of reasons, including alcohol consumption and vomiting. In this article, learn how to get rid of broken blood vessels on the face with clinical treatments and home remedies.

Researchers have uncovered new mechanisms by which a protein called APC can prevent colon cancer, a discovery that could lead to new drug treatments.

Researchers have uncovered new mechanisms by which a protein called APC can prevent colon cancer, a discovery that could lead to new drug treatments.

A person's nipples can change color at different times in their life. There are many different reasons why this might happen, most of which are harmless, hormone-related, and linked to pregnancy or menstruation. This article explains more about these causes of dark nipples, plus when someone might need to see a doctor.