1. Disadvantages: Chinese medicine experts pointed out that sunbathing through glass has no calcium supplement effect. Glass can absorb ultraviolet rays, but sunbathing through glass has no effect.

2. Benefits: Sunbathing through the glass can avoid skin injury, and the glass can prevent ultraviolet rays from entering, thus avoiding ultraviolet rays from hurting the skin.

3. Benefits: The outdoor temperature is low in winter, and sometimes the wind is strong, making it inconvenient for the elderly or children to move. Sunbathing through glass can prevent colds and diseases.

abstract

1. Disadvantages: Sunbathing through glass has no effect on calcium supplementation.

2. Benefits: Sunbathing through the glass can avoid skin injury.

3. Benefits: The outdoor temperature is low in winter, and glass can prevent colds.