Chronic DiseaseHealth TransitionQuackeryWorld Health OrganizationUrbanizationWorld HealthDeveloped CountriesDeveloping CountriesHealth PrioritiesAfrica South of the SaharaCommunicable DiseasesLife ExpectancyHealth PolicyCause of DeathPrimary PreventionDiabetes MellitusPrevalenceRisk FactorsCost of IllnessDietLife StyleIndiaHealth PromotionCardiovascular DiseasesObesitySocioeconomic FactorsHypertensionSmokingNeoplasmsCross-Sectional Studies