A substance, both a hormone and neurotransmitter, secreted by the adrenal medulla and the nerve endings of the sympathetic nervous system to cause vasoconstriction and increases in heart rate, blood pressure, and the sugar level of the blood. Also called levarterenol, noradrenalin. norepinephrine.
Foods that only contain protein, fat or both -- and are carb-free -- are few and far between. Most foods contain at least some carbohydrates. However, plant-based oils, other pure fats -- like butter and margarine -- meats, poultry, seafood and eggs are the best sources of carb-free foods.
Nuts and seeds also contain small amounts of carbs. List of Bad Carbs. Bad carbs are found in foods that contain added sugar but few, if any, additional nutrients. These foods don't keep you feeling full very long like good carbohydrates do.Examples of bad carbs include sugary drinks like soda and lemonade, doughnuts, pastries, cookies, candies, syrups, table sugar, many types of chips and crackers, French fries, fried foods, chips, white rice, and white bread.uts and seeds also contain small amounts of carbs. List of Bad Carbs. Bad carbs are found in foods that contain added sugar but few, if any, additional nutrients. These foods don't keep you feeling full very long like good carbohydrates do.