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July 2003 - Adventist.org - Lake Union Conference

July 2003 - Adventist.org - Lake Union Conference

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Ways to develop regularity in your life:1. Develop regular hours for Bible study, eating,and work.2. Develop a habit of retiring to bed at a fixedtime every night.3. Have a regular schedule for physical activityeach day.Body Clocks and RhythmsBY WINSTON CRAIGMany of our bodily functions occur with amazingregularity. The heart beats about once per second.Intestinal contractions occur approximatelyevery three minutes. The menstrual cycle is once permonth. We breathe, on average, once every four heartbeats. We blink every two to three seconds. Sleep patternsfollow a 90-minute cycle. The electrical waves ofour brain show a regular pattern of eight to 12 cyclesper second.4. As far as possible, avoid delays and minimizeinterruptions to your normal routine.5. Celebrate the Sabbath with family and friendseach week.The human body is also influenced by dailyrhythms. Body temperature,blood pressure, andmany hormones, suchas cortisol, all fluctuateon a regular dailycycle. Experiencing jetlag after airplane travelacross several timezones illustrates theimportance of keepingin sync with normaldaily rhythms. Whenwe are out of syncwith the normal bodyrhythms, we mayexperience discomfort,irritability, sleep disturbances,headaches,constipation, upsetstomachs, decreasedreaction time, a lack ofconcentration, decreasedmotivation, or mild memoryloss. Irregular schedules have an effect on our bodiesand minds similar to that of jet lag.Even the small adjustment for daylight savings canhave a significant physiological effect. During theweek after we turn our clocks forward or backwardsby one hour, it is observed that sleep may be disturbed,absenteeism increases in schools and businesses,and auto accidents increase.We are rhythmic creatures. Our bodies runin cyclical patterns. Therefore, wewould do well to have regularhours for the importantthings in life—sleep, work, eating,physical activity,prayer, and Biblestudy. This isessential to maintainoptimal health.Habits of regularityare associated withimproved health andmemory, and a better disposition(Ellen G. White, ChildGuidance, p. 112).Winston J. Craig, Ph.D., R.D.,Andrews University professorof nutritionVisit our web site at luc.adventist.<strong>org</strong> <strong>Lake</strong> <strong>Union</strong> Herald, <strong>July</strong> <strong>2003</strong> • 11

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