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The health effects of coffee include various possible health benefits and health risks. [ 1 ] A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
Symptoms of Wrinkles. Wrinkles are a symptom of aging, but some early signs of wrinkles can include fine lines. Later, deep wrinkles may form, particularly around the mouth, nose, eyes, and forehead.
Excessive coffee consumption, generally above four to six cups per day, may increase the risk of side effects such as anxiety, restlessness, insomnia, and gastrointestinal discomfort, he explains.
Around 36% of people in the study were morning coffee drinkers, 16% of people drank coffee throughout the day (morning, afternoon and evening) and 48% were not coffee drinkers, the researchers said.
Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Withdrawal symptoms may include headaches, fatigue, difficulty concentrating, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, backaches, and joint pain; these can range in severity from mild to severe. [18]
It may also cause blood vessels to constrict and reduce blood flow. Due to this, perioral collagen (connective tissue around the mouth below the skin) may show signs of damage. When collagen is lost in large amounts, it may cause wrinkles to emerge. Tobacco use can also result in slow collagen healing. [12]
However, drinking coffee isn't the same as drinking water. For instance, 2015-published research found that people lost about 15% of fluid per 300 mg of caffeine consumption.
It is found in coffee, tea, caffeinated alcoholic drinks, cocoa, chocolate, soft drinks, especially cola, and is an important component of energy drinks and other dietary supplements. [ 1 ] Caffeine is also an ingredient of several medications, many of them over-the-counter and prescription drugs.