I mean, it definitely makes you warmer. In that it shunts your blood to the outer layer of your body, warming your skin and making you feel less cold. Problem is, this actually makes you lose heat more rapidly, and increases your susceptibility to hypothermia. But since you can experience “drink alcohol, feel warmer” yourself, the myth will probably persist indefinitely.
I mean, it definitely makes you warmer. In that it shunts your blood to the outer layer of your body, warming your skin and making you feel less cold. Problem is, this actually makes you lose heat more rapidly, and increases your susceptibility to hypothermia. But since you can experience “drink alcohol, feel warmer” yourself, the myth will probably persist indefinitely.
It is calories too, so can be drunk for energy if you’re out of food.