Loss of appetite is a fairly common condition during prolonged hot days. Many people say they eat less than usual, no longer interested in greasy foods or often feel full even though they have not eaten much. According to experts, this is mostly a natural physiological reaction of the body when having to adapt to rising ambient temperatures.
According to Ms. Veena - Head of Clinical Nutrition Department at Aster Whitefield Hospital (India), the phenomenon of reduced appetite in the summer mainly relates to the body's body temperature regulation mechanism.
When the weather is too hot, the body will prioritize cooling activities such as increasing sweating and increasing blood flow to the skin surface. This slows down the digestion process and reduces hunger signals. In addition, the digestion process also causes the body to generate more heat, also known as heat generation. Therefore, in summer, the body tends to eat less to limit heat gain from the inside.
This is also the reason why many people feel that greasy and spicy dishes become less attractive in hot weather. Instead, cool, easy-to-digest or watery dishes are often prioritized.
One of the important factors affecting appetite in summer is dehydration. When the temperature rises, the body loses more water and electrolytes through sweat. Mild dehydration can sometimes be confused with reduced feeling of hunger. In addition, drinking plenty of water, soft drinks, eating fruits or foods high in water also creates a feeling of fullness faster, causing food consumption to decrease.
In addition to dehydration, hot weather can also easily cause fatigue, lethargy and affect sleep quality. These factors can affect hormones that control feelings of hunger and fullness such as ghrelin and leptin. In some people, prolonged exposure to high temperatures can also cause nausea or digestive discomfort, making them unwilling to eat.
However, experts believe that reducing cravings in the summer is usually not too worrying if the body is still supplemented with enough water and energy. However, if anorexia persists with signs such as rapid weight loss, fever, vomiting, weakness or severe fatigue, patients should see a doctor early. This may be a manifestation of infection, heat exhaustion or other potential health problems.
To limit anorexia in the summer, experts recommend dividing meals instead of skipping meals completely. Prioritize easily digestible foods such as fresh fruits, salads, yogurt, coconut water, butter milk or light protein sources that can help the body maintain energy without putting pressure on the digestive system.
In addition, maintaining enough water, getting enough sleep and limiting exposure to excessive temperatures are also important measures to help the body adapt better in the summer.