In the case of Lyme, active infection past the 4 week mark is expected to show IgG antibodies. After treatment and resolution of the illness, tests can still show IgG antibodies. And so, IgG can represent either current or past infection.
What Really Happened to Seal's Countenance. But Seal's scars are not the result of violence. Jet reported that Seal's facial scars are the result of the disease lupus. At age 23, Seal developed discoid lupus erythematosus (DLE), a rare form of the disease causing scars. Source: Celebrities Who Have Overcome Obstacles, Jet, June 10, 1996, available at books.google.com.
Studies have found that high levels of alcohol consumption can exacerbate the skin condition psoriasis (reddish spots and patches covered with silvery scales). Bruising is also increased, due to a lack of vitamin C. The skin may also become dryer due to higher levels of dehydration caused by drinking.