Morgellons disease causes black, white, red, or blue fibers to appear under the skin or protrude from it. People may also feel crawling, stinging, or biting sensations in their skin, joint pain, and ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? On February 4, celebrated singer-songwriter Joni Mitchell, 80, performed "Both ...