Japan is very conservative. Japan is also intolerant of others and xenophobic. They tend to be more monolithic than the US-there is very little diversity among the population.
Along with increasing the risk of liver, pancreatic and breast cancer, alcohol increases the risk of skin cancer including squamous cell carcinoma, basal cell carcinoma, and melanoma. Alcohol is also associated with an increased risk of oral cancer.
Alcohol is a diuretic. This means that alcohol pulls away liquids from your body, leading to dehydration. When you have eczema, psoriasis, or any other skin disease, your body needs to stay properly hydrated in order to properly flush out toxins and to avoid inflammation.