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Why do I weigh more after vigorous exercise?

Typically individuals will weigh less immediately following exercise because of sweat loss. This can be very dangerous leading to dehydration and heat illness. However, individuals who ingest fluids at a much higher volume than their sweat rate may actually weigh more. Some endurance athletes can actually suffer from hyponatremia (the opposite of dehydration) which is also dangerous because sodium levels in bodily fluids becomes extremely low and can cause confusion, hallucinations, convulsions, weakness and nausea.

If you weigh more a day following exercise this is often due to fluid retention as your body recovers from vigorous activity.

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Why Do I Weigh More After Vigorous Exercise?
Why Do I Weigh More After Vigorous Exercise?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.