Q: I am 70 years old and feel dizzy when I get up from bed in winter. Why does this happen?

A: Cold, dehydration, and blood pressure fluctuations can cause sudden dizziness on standing. Sit for a minute before standing, drink warm water, and review BP medicines with your doctor.

 Q: My father (75 yrs) sleeps more during winter but still feels tired. Is this normal?

A: Longer nights and reduced activity increase sleep duration but not quality. Poor sleep quality, anemia, low vitamin D, or infections should be ruled out.

 Q: I feel more breathless while walking short distances in cold weather. Should I worry?

A: Cold air constricts airways and strains........

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