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HIV and hair loss: What’s the link?

HIV and hair loss: What’s the link?

HIV is a viral infection that attacks the immune system and causes several symptoms and complications. Although people with HIV may experience hair loss, it is not a typical symptom. Other factors, such as medications and co-occurring conditions, may contribute to thinning hair. In this article, we look at the possible causes of hair loss […]

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Could sonic hedgehog be the answer to hair loss?

Could sonic hedgehog be the answer to hair loss?

When skin is wounded, the hair cannot regrow. In a recent study, researchers ask why this is and whether it can be reversed. They conclude that a signaling pathway called the sonic hedgehog may be critical. Though it may seem simple, hair regrowth is complex and mysterious. Hair loss comes in many forms. It can […]

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Causes of mouth sores in people with HIV

Causes of mouth sores in people with HIV

Mouth sores, also known as ulcers, are a common symptom of HIV. Mouth sores can have a profound impact on a person’s quality of life if they do not get treatment. People living with HIV are more likely to develop oral health problems because the virus can weaken the immune system, which makes it harder […]

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What is the link between HIV and shingles?

What is the link between HIV and shingles?

Shingles is a common condition. People with compromised immune systems are more likely to experience shingles, and this includes some people with HIV. In this article, we look at the link between shingles and HIV, possible complications, and treatments. How are shingles and HIV related? A person with HIV can lower their risk of developing […]

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Hair loss: Clues found in the palm of your hand

Hair loss: Clues found in the palm of your hand

A recent study investigates why some parts of the human body remain hairless while others become hirsute. The findings may offer clues to male- and female-pattern baldness. A recent study approaches hair loss from a new direction. Humans have hair in some places but not in others. The tops of our heads are generally replete […]

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What to know about hyperpigmentation

What to know about hyperpigmentation

Hyperpigmentation is the name that healthcare professionals give to patches of skin that become darker than surrounding areas of skin. Types of hyperpigmentation include age spots, melasma, and post-inflammatory hyperpigmentation. Each of these has different cause and a range of treatments and products, including creams and cosmetic procedures. We discuss these below. What is hyperpigmentation? […]

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What to know about erythema multiforme

What to know about erythema multiforme

Erythema multiforme is a skin immune reaction that an infection or medication can trigger. Its name combines the Latin “erythema” (redness), “multi” (many), and “forme” (shapes) and describes the main symptom, which is a rash on the body where each mark resembles a bullseye. Erythema multiforme can affect people of any age, with children representing […]

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What causes purple feet?

What causes purple feet?

Purple or blue feet may be a sign of an underlying health condition. Some possible causes of foot discoloration include injuries, Raynaud’s disease, peripheral arterial disease, and frostbite. Skin can become blue or purple due to bruising, but this color change can also indicate that not enough oxygen-rich blood is reaching the area. The feet […]

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What is melasma?

What is melasma?

Melasma is a common pigmentation disorder that causes brown or gray patches to appear on the skin, primarily on the face. The most common areas for melasma to appear on the face include: the bridge of the nose the forehead the cheeks the upper lip Melasma may also appear on other areas of the body, […]

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What are the signs and symptoms of psoriasis?

What are the signs and symptoms of psoriasis?

The signs and symptoms of psoriasis vary among individuals. The most common type of psoriasis is plaque psoriasis, with its hallmark raised, red skin lesions. However, other types can cause different lesions, and symptoms do not affect only the skin. For most people, symptoms are cyclical. They appear for a few weeks during a flare […]