What factors may predispose a diver to Decompression Sickness (DCS)?

Decompression Sickness (DCS) occurs when a diver ascends too quickly, leading to the formation of gas bubbles in the bloodstream and tissues. Several factors can increase the risk of developing DCS, and understanding these factors can help divers take preventive measures.

Age is a relevant factor because physiological changes associated with aging can affect a diver's body's ability to eliminate nitrogen and adapt to pressure changes. Older divers may have reduced circulation and slower metabolism, increasing their susceptibility to DCS.

Dehydration also plays a significant role. When a diver is dehydrated, the blood volume decreases, which can lead to reduced blood flow and slow the removal of nitrogen from the body after a dive. This can enhance the likelihood of bubble formation during ascent.

Fat tissue is another important predisposing factor. Because nitrogen is more soluble in fat than in other tissues, individuals with higher levels of body fat may retain more nitrogen during a dive. If ascent is rapid, the excess nitrogen can form bubbles in the body, increasing the risk of DCS.

Considering these factors collectively provides a clearer understanding of how divers can be predisposed to DCS. Each contributes to the overall risk, making it essential for divers to be aware of their individual health conditions, hydration status, and