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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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Illicit drug use costs the United States approximately $181 billion every year.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.