Related by context. Frequent words. (Click for all words.) 72 lifespan 61 life expectancies 60 life expectancy 47 longevity 47 lifecycles 45 lifetimes 45 Life expectancy 44 telomeres 44 durations 41 outlive 40 caloric restriction 39 runtimes 39 cycles 38 birthrates 37 waistlines 36 calorie restriction 36 mortality 36 outliving 36 span 36 dietary intake 35 IQs 35 Longevity 35 fecundity 35 gestation 34 lifestyles 34 diets 34 girth 34 streaks 34 boomer generation 34 timescales 34 tenures 34 dietary habits 34 happier healthier 33 centenarians 33 physiques 33 duration 32 baby boomer generation 32 penises 32 incubation period 32 usefulness 32 UV exposure 32 childbearing 32 calorie intake 32 Noughties 32 birthrate 32 existences 32 age 32 cognitive abilities 32 Baby Boomer generation 32 DNA sequences 32 unhealthy lifestyles 31 Populations 31 distances 31 menstrual cycles 31 aging 31 senescence 31 usage 31 aging baby boomer 31 Baby Boom generation 31 Human beings 31 cycle 31 mass extinctions 31 fat diets 31 fertility 31 infrared wavelengths 31 uptake 31 orgasms 31 outlived 31 latitudes 31 consumption 31 appetites 31 timescale 31 lifecycle 30 evolutionary 30 fatness 30 menopause 30 consume 30 genetic makeup 30 workweeks 30 spans 30 crop yields 30 vegetable intake 30 caloric intake 30 populations 30 survival 29 metabolic 29 waists 29 chromosomes 29 adulthood 29 periods 29 sedentary 29 immobility 29 decays 29 virility 29 densities 29 waistline 29 telomerase 29 colder climates 29 adolescence 29 retirement nest egg 29 sedentary lifestyles