Red light therapy is used for skin health, body contouring, mood, brain health, hair regrowth, and pain management. Possible side effects are topical and mostly temporary, including hyperpigmentation and skin sensitivity. Red light therapy can be prohibitively expensive for some, whether you’re purchasing at-home equipment or going in for Bloody Stools. Rectal Pressure. Anemia. In the early stages of the disease, rectal cancer symptoms may not be present. As it progresses and symptoms do appear, they can include: Vague abdominal pain. Blood in the stool. Changes in the shape of the stool. Persistent diarrhea or constipation. This may be why infrared light therapy and red light therapy have different benefits. ‍ Red light is visible, occupying the "long end" of the visible spectrum with wavelengths of 630nm-700nm. Infrared light is invisible, sitting near red light on the electromagnetic spectrum at 800nm-1millimeter. ‍ Stage 4 colon cancer symptoms may include: Fever: If a tumor in the colon breaks through the intestines, an abscess may form, which causes a fever. Air bubbles in urine: Air bubbles in your urine (called pneumaturia) may occur if a tumor in the colon invades into the bladder. Problems breathing: If the colon cancer has spread to the lungs The cause of basal cell carcinoma (BCC), the most common type of skin cancer, is well known. Most people develop it because their skin has been badly damaged by ultraviolet (UV) light from: The sun. Indoor tanning equipment (such as tanning beds or sunlamps) Both the sun and indoor tanning. People who have lighter skin tones have a higher risk Applying a corticosteroid cream to affected skin might return color. This is most effective when vitiligo is still in its early stages. This type of cream is effective and easy to use, but you might not see changes in your skin's color for several months. Possible side effects include skin thinning or the appearance of streaks or lines on your Sunburn can occur in less than 15 minutes in response to sun exposure and in seconds when exposed to non-shielded welding arcs or other sources of intense ultraviolet light. Nevertheless, the inflicted harm is often not immediately obvious. After sun exposure, the skin may turn red in as little as 30 minutes, but sunburn usually takes 2 to 6 hours. Some risk factors for eye cancer include: Race: The risk of eye melanoma is higher in white people than in People of Color. Eye color: The risk of uveal melanoma is higher in people with light .

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