Life is a balancing act, and the pH of a system is a perfect example.Numbers higher than 7 on the pH scale are alkaline and lower is acidic, and here are some pHs of our bodily fluids:
blood = 7.35 – 7.45
saliva = 6.4 – 8
urine = 4 – 8
stomach acids = 2(ish)
small intestine = 8
intracellular fluids = 7 and higher
The systems in our bodies are always working together to regulate pH, especially our lungs and kidneys. When we exhale and pee, we are ridding ourselves of CO2 and other acidic waste products, products of breathing and eating.
How foods taste does not indicate whether or not they are acid forming when digested. For example, lemons are very alkaline, which is why they are often used in cleanses and juice fasts. Watermelons are too. I remember an alternative doctor, years ago, recommending an all watermelon diet for a short while to an unwell dear older British gent I knew, one whose diet was normally things like eggs fried in bacon fat. (I enjoyed those eggs too.)
Processed foods and sugars are acid producing as well as meats, dairy and most grains. There are hundreds of charts and lists available, and with some foods, they do not agree, due to varying properties. Check them out if interested, searching acid alkaline foods and images, or acid alkaline diets.
Sodium bicarbonate, baking soda, is a natural antacid, good for taking care of excess stomach acids, preventing tooth decay, counteracting poison oak and bug bites, and in medicine as a cure for acidosis. It’s also great for cleaning, us too!
In baking, it reacts with acids to release CO2, hence the rising properties.