Too much endorphin release can cause depression, lower sex drive, low testosterone, infertility, and extreme fatigue, among other complications. Liver My oh my, how the liver takes a hit when you get drunk. [quitalcohol.com]

For the first six months of 2018, I tried to stick to eating a ketogenic diet (this is a good guide to keto), which worked well to increase alertness and reduce fatigue throughout the day, but was hard to keep to. [businessinsider.de]

Fatigue but decreased ability to sleep. Decreased ability to concentrate. Mood changes (depression, anxiety, etc.) Sweating. Increased blood pressure. Rapid pulse. [drugabuse.com]

Alcohol can cause flushing, nausea, increased heart rate, and slurred speech. These may be confused with or mask the symptoms of low blood sugar. [webmd.com]

Mixing alcohol with certain medications can cause nausea, headaches, drowsiness, fainting, a loss of coordination, internal bleeding, heart problems, and difficulties in breathing. Alcohol can also make a medication less effective. [rethinkingdrinking.niaaa.nih.gov]

If you think you might be dependent on alcohol, or if you have physical withdrawal symptoms (e.g. shaking, sweating, nausea before you have your first drink of the day) then you should seek medical advice from your GP before you stop drinking. [drinkaware.co.uk]

Nausea. Vomiting. Dizziness/vertigo. Increased thirst. Redness of the eyes. Sensitivity to light and sound. Fatigue but decreased ability to sleep. Decreased ability to concentrate. Mood changes (depression, anxiety, etc.) Sweating. [drugabuse.com]

The sorts of withdrawal symptoms that suggest you may need medication include: anxiety after waking sweating and tremors nausea or retching in the morning vomiting hallucinations seizures or fits Staying healthy and in control Cutting down or stopping [nhs.uk]

A 43-year-old man presented with loose stools, abdominal pain and a weight loss of 15 kg. Investigations revealed a pancreatic insufficiency and an enteropathy with villous atrophy. Coeliaki was suspected. [ncbi.nlm.nih.gov]

Increased risk drinking is defined as 180-400 g/week for men and 120-280 g/week for women, with effects of less energy, depression/stress, insomnia, impotence, risk of injury, high blood pressure. [iard.org]