12 Healthy Habits for a Healthy Christmas: #1: BE WELL ADJUSTED! Christmas can be a stressful time of year for many. Chronic stress can affect your nervous system's ability to function correctly, leading to an increased risk for illness and pain, your muscles get tense and tighten. Leading up to Christmas make sure you're up to date with your chiropractic adjustments. Chiropractic care helps to "reset" the nervous system so you are better able to fight the negative effects of stress.