Sun, water and vitamin D: What your body really needs now in summer
Sun, water and vitamin D: What your body really needs now in summer
With summer just around the corner and the days getting longer and sunnier again, many people automatically pay more attention to being outside. It is precisely this time that is particularly interesting when it comes to sunlight, vitamin D and the body's general fluid balance, because right now the body gets the best natural conditions to regenerate and gather energy.
Sunlight plays an important role for the body because it allows it to produce vitamin D in the skin. This vitamin is involved in many processes, such as the immune system, muscle work and bone stability. Without sufficient sunlight, the body can only produce this important substance itself to a very limited extent. Therefore, regular time outdoors is a decisive factor for well-being. Often a certain amount of time in daylight is enough for the body to start producing vitamin D. In summer, this can be about ten to twenty minutes, while in the colder months significantly more time is needed or production is hardly sufficient.
It is not important to lie in the sun for hours, but rather to short and regular moments outdoors. When areas of the skin such as the arms or face receive direct sunlight, the body can absorb this energy. At the same time, however, you should always keep in mind that too much sun can damage the skin, which is why it's more about a healthy balance than extreme sunbathing.
In addition to sunlight, water plays an equally important role for the body. Every single day challenges the organism through movement, thinking, digestion and temperature regulation. For this, the body needs fluids. If too little is drunk, it can quickly have an impact, for example on concentration, performance or general energy levels. Many people only realize late that they have drunk too little because the feeling of thirst is often delayed.
In everyday life, the recommended amount of water for adults is usually between one and a half and two and a half liters per day, depending on the body, activity and temperature. On warm days or during physical exertion, the need can be significantly higher. Especially in summer, when the body loses more fluid due to heat, it is important to drink water regularly and not only when thirst becomes strong.
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The combination of sun and liquid is also crucial. If you spend more time outside, your body sweats more, which automatically increases the need for fluids. At the same time, sunlight has a positive effect on mood and energy, which noticeably relieves many people in everyday life. Nevertheless, you should be careful not to overstrain your body and to plan breaks in the shade, especially in the hot midday hours.
Another important point is that vitamin D not only works in the short term, but also has a long-term influence on many bodily functions. A deficiency can develop insidiously and is often only noticed late. Typical effects can be fatigue or reduced resilience. In many regions, mild deficiency is relatively common, especially in the months with little sunlight, which shows the importance of regular natural supply throughout the year.
When you consider all these factors together, it's clear that small daily habits can have a big impact. Even regular short stays in daylight and a conscious intake of fluids help the body to remain stable and efficient, especially now in the warmer season, when many of these natural processes intensify.
Author: MF Radio Editorial Sources
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Author: MF Radio Editorial Sources
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- National Health Service (NHS)
- Mayo Clinic
- National Academies of Sciences, Engineering, and Medicine