I am 5'4" and I weigh 227lbs. How can I start to lose weight? I have asthma so what is the best way to exercise?

Look for cause . you have to find cause or more accurately causes for your problems. Weight gain could be from low thyroid and insulin resistance. Asthma can be from allergies. To learn how treating cause can help you visit us www.ehacstl.com. For wt loss try low carb diet=off sugar and grains and eat meats and above ground veges .