Turmeric is commonly used as a spice in cooking and has many potential health benefits. It contains curcumin and other curcuminoids that act as powerful antioxidants and may help treat arthritis, cancer, liver and heart conditions. Curcumin can reduce inflammation, break down amyloid plaques associated with Alzheimer's, and help treat depression by modulating neurotransmitters. Turmeric is generally well tolerated but high doses may cause side effects like bleeding risk when combined with blood thinners or hypoglycemia. More research is still needed on its mechanisms and effectiveness for various diseases.