Stress can contribute to weight gain through several interconnected mechanisms, such as:
- Hormonal changes
- Cravings for high calorie foods
- Disrupted eating patterns
- Reduced physical activity
- Poor sleep
- Metabolic changes
Stress triggers the release of cortisol which is a hormone that can increase our appetite and lead to overeating if it is produced in excess.
Cortisol also causes our bodies to store fat, particularly in the abdominal area, which can increase our risk for chronic disease.
Stress often causes use to crave foods that are high in sugar, fat, and salt.
These comfort foods can provide temporary relief from stress but also contribute to weight gain if we eat too many of them.
Stress can disrupt our normal eating patterns.
This leads irregular meal timings, skipping meals, or emotional eating. This can cause us to consume more calories than needed which can contribute to weight gain over time.
High levels of stress can lower our motivation and our energy levels.
Which can cause us to decrease our physical activity. A consistently sedentary lifestyle is a significant risk factor for weight gain and obesity.
High stress can cause our bodies to produce too much cortisol at the wrong times in the day.
This imbalance can lead to disruptions in our sleep / wake cycle. Some people will find it harder to switch off, so falling asleep might be difficult, and others will wake during the night, often in a state of fright. Inadequate or poor-quality sleep can affect the hormones that regulate our appetite, which can lead to increased hunger and cravings for unhealthy foods.
Chronic stress can lead to long-term changes in our metabolism and can cause conditions such as insulin resistance and inflammation, which can contribute to weight gain and metabolic disorders.
It’s important to approach weight management holistically and therefore it is important to address diet, physical activity, and emotional wellbeing when managing stress.
Strategies like regular exercise, mindfulness practices, adequate sleep, meaningful social connections, and healthy coping mechanisms can all contribute to a healthier mindset which can help us to make healthy lifestyle choices which can help to alleviate the impact of stress on weight gain and overall wellbeing.
Listen to my interview with Anton Brink from Radio Cape Pulpit on 17 September 2026 to learn more. Listen to my next interview on Thursday at 7.45am.