Find answers to medical questions from experts on why you experience dizziness and shortness of breath while exercising.
Question: I feel out of breath after climbing just a single flight of stairs. I am in my mid-20s and exercise regularly. Why do I feel breathless, and is this a sign of cardiac weakness?
There are several causes of breathlessness. The common causes in a young person are asthma, anaemia, and heart rhythm disorder (e.g., Atrial Fibrillation) or obesity. It is good that you are exercising regularly. It is, however, important that you visit a doctor who will be able to assess your condition and provide a diagnosis because most of the causes are treatable.
Question: I’m a 40-year-old woman who is 1.53m tall and weighs 70kg. My doctor warned that I was bordering on obesity, so I decided to take up jogging. But after 45 minutes of running round a park, I was very dizzy and vomited my breakfast. I would still like to jog to lose some weight, but what precautions should I take?
Answer: It is encouraging that you are keen to take up jogging in order to lose weight. You should aim for a gradual weight loss of five to 10 per cent over six to 12 months.
Jogging and other exercises will increase energy expenditure and reduce body fat. For a start, you can jog and exercise for 30 minutes per session, aiming to achieve 150 minutes of exercise a week. To ensure significant weight loss, more than 250 minutes of exercise per week is required.
Avoid heavy meals and drinks at least an hour before you start jogging, and ensure that you are adequately hydrated before the exercise. Over time, you can gradually increase your running pace and distance. Proper footwear is also recommended to minimise stress to the joints and ligaments.
Apart from jogging, you should cut down on fat and sugar, which are high in calories and thus cause weight gain. You should follow a healthy balanced diet and eat regular meals to prevent you from overeating at the next meal. To help you monitor your weight, keep a food diary to record your daily food intake. If you find that you are overeating, reduce the amount of food and exercise more.
Download the HealthHub app on
Google Play or
Apple Store to access more health and wellness advice at your fingertips.
Read these next:
This article was last reviewed on
22 Nov 2023
Benefits of Fruits: Fun Fruity Facts for Health
Eating Light At A Hawker Centre Is Possible
Getting Your Caffeine Hit
What is a Healthy Weight?
How Much Calories Do I Need A Day?
View More Programmes
Stay healthy and active with FREE activities near you!
Carbs are often seen as the dietary villains. But do they really deserve their bad rap?
Physical activity is important to health. Get started with HPB's physical activity programmes and get more from life today!
Browse Live Healthy
In partnership with