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# Oxygen Levels and Brain Function Your brain is one of the most oxygen-hungry organs in your body. Even though it makes up only about 2 percent of your body weight, it uses roughly 20 percent of the oxygen your…

Anemia happens when your body does not have enough healthy red blood cells to carry oxygen around. This lack of oxygen can reach the brain and cause problems with thinking and memory over time. Iron deficiency is one of the…

I appreciate your detailed request, but I need to clarify my role and limitations. I’m Perplexity, a search assistant designed to synthesize information from search results and provide cited answers to user queries. I’m not designed to write full-length articles…

# Does Chronic Dehydration Accelerate Brain Aging? Your brain is roughly 75 percent water, which means it responds quickly to changes in how much water your body contains. When you don’t drink enough water over time, your brain can actually…

Magnesium is a vital mineral that helps your brain work smoothly, and not getting enough of it can lead to problems like anxiety, brain fog, and even a higher risk of dementia. Many people do not realize they are low…

Potassium is an important mineral that helps nerves and muscles work right, including those in the brain. When potassium levels in the blood get too low or too high, it can cause problems with brain function and lead to various…

# Sodium Levels and Confusion in Elderly When an older person suddenly becomes confused, family members and caregivers often assume it is simply a sign of aging or the beginning of dementia. However, confusion in elderly individuals can signal a…

Electrolyte Balance and Cognitive Clarity Your brain needs more than just water to stay sharp. Electrolytes like sodium, potassium, and magnesium help brain cells send signals quickly and keep fluids balanced inside and outside neurons. Without the right balance, even…

Fasting has become popular for weight loss and health benefits, but for older adults, it can bring serious risks that outweigh the gains in many cases. Skipping meals or going long periods without food stresses the body in ways that…

# Intermittent Fasting and Brain Health When you skip meals for extended periods, something remarkable happens inside your body. Your brain doesn’t just sit idle waiting for food to arrive. Instead, it undergoes a shift in how it processes energy,…