So far as I know, the oldest in the English language at least, is Banting's Letter on Corpulence. Having lost weight and dramatically improved his health on a low carbohydrate diet. Banting wrote and self-published the book back in the Mid-Victorian era, and he distributed it for free.
Read More »The Down Side to Prescription Drugs – What You May Not Know
Many people taking prescription or OTC meds are willing to risk some mild side effects to feel better. Package inserts, drug info sites on the Internet, pharmacists, and the prescribing practitioner can be helpful providing information about side effects. However, one of the potentially damaging side effects you are rarely told about is the negative effect of medications on nutrient levels. Drugs can interfere with absorption of nutrients or inappropriately increase excretion. Keep in mind that vitamins and minerals play a major role in hundreds and hundreds of chemical reactions in the body vital for life.
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