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Does coffee age your skin?

Caffeine can cause your blood vessels to constrict, and as a result, the vessels at the surface of your skin won't deliver as many antioxidants and nutrients to promote collagen production. "The results of drinking too much coffee can cause the skin to wrinkle prematurely, and become more lax with time," says Dr.

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Though a venti latte works wonders at killing a headache and giving you the power to make it through the morning, too many cups of coffee can have a side effect on your skin, particularly if you're concerned with anti-aging. Caffeine can cause your blood vessels to constrict, and as a result, the vessels at the surface of your skin won't deliver as many antioxidants and nutrients to promote collagen production. "The results of drinking too much coffee can cause the skin to wrinkle prematurely, and become more lax with time," says Dr. S. Manjula Jegasothy, M.D., CEO and founder of the Miami Skin Institute. "These changes definitely give the skin a more aged appearance than in people who do not consume caffeine." So, how much is too much? Dr. Jegasothy notes that one to two cups a day is fine, but anything over that limit is overkill. On the plus side, that myth about coffee triggering more acne outbreaks has been busted. "There are no studies to show whether caffeine or coffee consumption impacts acne-prone skin, but because of the vasoconstrictive effect of caffeine and the potential antioxidant effects of the coffee berry, I would hypothesize that the effect of coffee on acne-prone skin is net neutral," Dr. Jegasothy says. The obvious solution would be to cut it out — or at least dial back your consumption. "Healthy skin in individuals under 50 can usually see a reversal of any of coffee's bad effects on their skin within two to three months," Dr. Jegasothy explains. "Older, more mature skin types may take three to six months to reverse the aging effects of chronic coffee consumption." Once you limit your intake, Dr. Jegasothy says that you'll notice fewer wrinkles, more hydrated, plumped skin, and a brand new glow. "This is because more open-dilated blood vessels are providing essential nutrients and collagen-building proteins to the skin," she adds.

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How did Legionnaires disease start?

Legionella was discovered after an outbreak in 1976 among people who went to a Philadelphia convention of the American Legion. Those who were affected suffered from a type of pneumonia that eventually became known as Legionnaires' disease.

Infections with Legionella bacteria include Legionnaires’ (LEE-juh-nares) disease and Pontiac fever. Legionnaires’ disease is a serious type of pneumonia (lung infection), while Pontiac fever is a milder infection that usually gets better without medical care.

History

Legionella was discovered after an outbreak in 1976 among people who went to a Philadelphia convention of the American Legion. Those who were affected suffered from a type of pneumonia that eventually became known as Legionnaires’ disease. The first identified cases of Pontiac fever occurred in 1968 in Pontiac, Michigan, among people who worked at and visited the city’s health department. It wasn’t until Legionella was discovered after the 1976 Legionnaires’ disease outbreak in Philadelphia that public health officials were able to show that Legionella causes both diseases.

Burden and Trends

The number of cases reported to CDC has been on the rise since 2000. Health departments reported nearly 10,000 cases of Legionnaires’ disease in the United States in 2018. However, because Legionnaires’ disease is likely underdiagnosed, this number may underestimate the true incidence. A recent study estimated that the true number of Legionnaires’ disease cases may be 1.8–2.7 times higher than what is reported.2 More illness is usually found in the summer and early fall, but it can happen any time of year.

Footnotes

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