Hello, Symptoms of flushing is commonly caused by stress (emotional/physical), exposure to heat, exercise, alcohol consumption, etc. Medical conditions that can cause flushing are hypertension, developing heart disease, certain skin diseases, certain medications, etc. Weight gain should be controlled at all cost, it will triggers symptoms. Headache may be due to hypertension, dehydration, migraine, tension headache, sinusitis, etc. Since you have history of brca gene you are suggested to get cardiac and health check up done routinely so that investigations and tests can be done and treatment started in case of detection of any pathology. Take fresh fruits and veggies, whole cereals and avoid trans fat, full fat dairy products, refined flour, frozen, packaged food. Take home made balanced food, do regular exercises, maintain healthy weight. You are very young, boost your immunity. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Nupur K., General & Family Physician