This daily health update email summarizes recent studies on various health topics. A study found that differences in brain structure may help explain increased risk of hallucinations for schizophrenia patients. Rates of sexually transmitted diseases like chlamydia, syphilis and gonorrhea increased for the first time in years, possibly due to less access to clinics. Research links eating breakfast, especially nutritious breakfasts, to better academic performance in students. Exercise can benefit patients with chronic kidney disease by improving quality of life and increasing fitness. Chronic neck pain patients are more likely to develop insomnia, with high pain levels and depression as predictors. Sleeping more on non-work days may increase risks for diabetes and heart disease.