The article discusses how people make decisions about spending money over their lifetime, taking into account changes in health and the risk of death as they age. The researchers found that when people's health declines, they tend to value immediate rewards more than future rewards. This means that as people get older and their health worsens, they are more likely to prioritize spending money on things they can enjoy now rather than saving for the future. This behavior is consistent with real-life observations and helps explain why older individuals may choose to spend their money differently than younger people.