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Can frequent episodes of cough in a toddler be a cause of concern?

My son keeps coughing. Not consistently though, he will cough for a day or so and then be fine. He is currently 3 years old. Is it something that I should be concerned about...

Can pneumonia be fatal?

My son is 5 years old and has been diagnosed with pneumonia. I have read online that pneumonia could be a fatal condition, which worries me a lot. Is this true?

Is asthma hereditary?

My grandfather had asthma (pretty severe). My mom doesn't have it. I'm concerned I might get it or that my children might get it as severely as my grandfather had. How can I...

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