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.
Image copyright Image caption Sunburn can lead to melanoma. Scientists believe drinking too much alcohol could set off a chain of reactions in the body that makes the skin more vulnerable to cancer.