What Causes a Stroke?
A stroke happens when blood flow to part of the brain is blocked or when a blood vessel in the brain bursts. Without oxygen-rich blood, brain cells begin to die within minutes.
Preventing Lyme Disease: What Really Works
Is there a proven way to stop Lyme disease before it starts? A 2025 review published in BMC Infectious Diseases analyzed over 100 studies across North America and Europe to identify the most effective tick prevention strategies—including some methods you might not expect.
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