Dr Demonstration

What to know about female sex hormones

Summary description Female sex hormones, or sex steroids, play crucial roles in sexual development, sexual desire, and reproduction. They also influence body weight and hair, bone, and muscle growth. Learn more about the types and roles of these hormones here.
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Are large areolas normal?

Areolas can be large or small, and they come in many different shapes and colors. They can also change over time, for example, with age or during pregnancy and breastfeeding. Learn more about areola size and reduction options here.
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Signs and symptoms of colon cancer in men

Many symptoms can indicate colon cancer in men, including bowel changes, weight loss, cramps, and bloody stool. However, these symptoms can also be due to other causes. Learn more about colon cancer symptoms and when to see a doctor here.
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Cancer: Are probiotics making immunotherapy less effective?

Probiotic supplements could be having a detrimental effect on this particular form of cancer treatment, according to new research.
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What causes red spots on the roof of the mouth?

Many factors can cause red spots to appear on the roof of the mouth. These include oral infections, burns or other injuries, and ulcers. In this article, we look at the causes, symptoms, pictures, and treatments.
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Is it safe to use coconut oil for vaginal dryness?

Some people prefer a more natural approach to relieving vaginal dryness. Pure coconut oil is free from additives, and studies suggest that it is generally safe to use on the skin. Learn more here.
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Cause of a lump on the back of the neck

Potential causes of a lump on the neck include swollen lymph nodes, acne, and cysts. The type of treatment depends on the cause. Learn more about the various causes of a lump on the neck here.
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Is blue balls a real condition?

Blue balls is the informal term for epididymal hypertension, which causes uncomfortable or aching testicles if a person is aroused but does not ejaculate. Learn more about the myths and facts here.
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What causes rapid weight gain?

Most people’s body weight fluctuates over time, but rapid weight gain can sometimes indicate a medical issue. In this article, learn about which conditions can cause rapid weight gain as well as when to see a doctor.
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Why do I have chills without a fever?

Potential causes of chills without a fever include hypothyroidism and exercising in intense cold. Treatment may be unnecessary unless a fever develops or chills recur. Learn more here.
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What causes a low libido?

It is common for a person's libido to fluctuate throughout their life and according to their mood. However, a significant change in libido may be due to an underlying cause. Learn about low libido causes and how to treat them here.
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What do lice look like?

It is easy to confuse head lice with many other conditions. In this article, learn about what head lice and their eggs look like, as well as how to treat them.
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Benefits and uses of B-complex vitamins

Vitamin B complex refers to the eight B vitamins. In this article, we take a closer look at each of these vitamins, the benefits of B-complex supplements, who should use them, and side effects.
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Gut microbes can spur immune system to attack cancer

An international study has identified gut bacteria that activate the immune system to slow melanoma growth in mice and highlights a key signaling pathway.
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Is sugar the key to treating lung problems?

Research in mouse models has revealed a surprising link between the activity of immune cells in the lungs and their ability to process simple sugars.
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Fish slime: An answer to antibiotic resistance?

Antibiotic resistance is an increasingly pressing issue for humanity. A recent study dives into the constituents of fish slime to hunt for new antibiotics.
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Weight loss: How the 'love hormone' might help

An intriguing new study demonstrates that an oxytocin nasal spray can change the way that people's brains respond to images of unhealthful food.
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What causes bloody urine in men?

Seeing blood in the urine is a symptom of many underlying problems in males, including infections, an enlarged prostate, and kidney stones. Learn about the causes and their treatments here.
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How to stop getting sick

Some people find that they keep getting sick. Potential causes of frequent sickness include stress and lack of sleep. Lifestyle changes can help reduce the likelihood of a person becoming ill. Learn more about why some people keep getting sick and what to do about it here.
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Hematoma: Everything you need to know

A hematoma occurs when blood leaks from a large blood vessel. In this article, learn about the causes and symptoms of hematomas as well as the different types and when to see a doctor.
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