Understanding sciatica

Sudden pain down the back of your thigh may be sciatica, a symptom of nerve irritation in the lower back. This video offers guidance on recognizing, treating, and preventing it.

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Flashbulb memories

Flashbulb memories are vivid recollections of emotionally charged events that feel accurate and lasting, but research shows they fade and distort over time, despite our strong confidence in them.

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What causes cataracts?

Cataracts develop mainly from age-related changes that cause the eye’s lens to harden and cloud, with risk factors including smoking, diabetes, certain medications, and UV exposure.

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