Hypothyroidism is that in which the thyroid does not produce enough hormones to run all of body functions at normal rate. This can cause both mental and physical fatigue, weight gain, intolerance to cold, a slow heart rate and constipation. Many patients with hypothyroidism often lose weight, or even maintaining a normal weight, in difficult. Despite these problems, the hypothyroid patient can maintain weight or even lose if he sticks close to a regular diet. Blackberries can also diminish the risk of esophageal cancer. blackberries are good for smokers and teenagers. The vitamin C in blackberries helps in strengthening the immune system and may also be instrumental in reducing the risk of cardiovascular disease, macular degeneration and some forms of cancer. Vitamin C is an antioxidant that also delays the process of ageing and helps in proper healing of wounds There is even some research which states that ellagic acid may help in fighting cancer. Blackberries get their characteristic dark color due to anthocyanins which are known to decrease inflammation. They also combat the effects of free radicals and hence protect the cells from damage and diseas