The synthesis of Vitamin D decreases with age. This is <span>due because of a fall in 7-dehydrocholesterol levels.</span>
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Panic attacks typically begin suddenly, without warning. They can strike at any time, when you're driving a car, at the mall, sound asleep or in the middle of a business meeting. You may have occasional panic attacks, or they may occur frequently.
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All are possible physical changes
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where's the picture for the question
