these kind of ruminations are quite common especially in premenstrual period. the things that will help you are as follows. meditate daily for at least half an hour in the morning. daily write down whatever that comes to your mind uncensored and never read it again. avoid caffeinated drinks and add foods rich in antioxidants and omega fatty acids in your diet. if these things do not help even after two weeks then consult a psychiatrist. for further queries consult a psychiatrist online --> <link>
why do i keep getting a lot of negative thoughts about my health?