There are differences that relate to the techniques used in cooking. A thin copper pan is great for melting butter or chocolate straight on the burner. Modern air-gap wall stainless steel pans hold the heat better and work better for simmering or boiling. Copper is harder to upkeep. Pans will develop hot spots, even copper which is the better conductor.
Common causes of chronic cough include: 1  Postnasal drip â This is a sensation of mucus trickling from the back of your nose down into your throat. It may be due to hay fever, allergies or irritants. 2  Asthma â While unusual, asthma can present with only a cough. This is known as cough variant asthma.
1 Chronic coughs last longer than 2 to 3 weeks. 2  Causes of chronic cough include. 3  water can help ease your cough-whether you drink it or add it to the air with a steamy shower or vaporizer. 4  If you have a cold or the flu, antihistamines may work better than non-prescription cough medicines.