Substances that are alkaline are basic, or the opposite of acidic — they have a high pH, while acids have a low pH. Lower pH levels reflect a higher quantity of positively charged particles.

Acids (like lemon juice) have low pH values, while bases (like bleach) have high pH values. Pure water sits in the middle at pH 7. Understanding pH is crucial in many areas of life - from cooking and ...

Activation of an immune signaling molecule called STAT6 may lead to pulmonary hypertension (PH) in people with oxygen ...

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