0655名無しさん@英語勉強中 (アウアウエーT Sa93-lboF)垢版2018/03/17(土) 21:46:45.82ID:4tZbUo+pa everybody knows that spending too much time in the sun may cause a serious damage to your health like sunburn and skin cancer. i feel that spending too little time in the sun also causes a serious damage but i can not provide any scientifc evidence or name the specific illnesses caused. i just have a hunch.