Eating baking soda is not harmful to the human body.
Consumption of baking soda can be used externally to play the role of sterilization antibacterial, the human body is also no harm.
But we must pay attention to grasp the dosage of baking soda, when used as a food additive, if you put too much will produce a bitter taste, because baking soda with alkaline; when used externally, use more than the corrosive effect, because baking soda is slightly corrosive effect.
Expanded Information:
1, stop itching: baking soda water or baking soda powder coated in the mosquito bites on the skin, you can quickly stop the itching, but also to prevent another bite.
2, sunburn prevention: summer bath, add about 200 ml of baking soda in the warm bath water, and then soak, do not use a towel after washing, let the body dry naturally, can prevent summer sunburn.
3, and noodles: home steamed buns, buns, add some baking soda in the flour (ratio of 10:3) and noodles, not only can neutralize the acidity in the flour, eat the texture will feel more fluffy
People's Daily News - baking soda, life's all-purpose hands