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Study Links Pesticides to Birth Defects
Risk rises for babies conceived in spring, summer, when chemical concentrations peak

Circadian Rhythm Plays Role in Memory
Hamsters deprived of body's sleep-wake system 'can't remember anything,' study says

Research Unveils Earliest Cell Changes in Down Syndrome
Mouse study shows disturbance of regulating gene starts domino effect altering development

Health Tip: Symptoms of Down Syndrome
A common birth defect

Faulty Brain Network May Cause Fragile X, Down Syndromes
Cells appear to have trouble making connections, researchers find

Down Syndrome Screening Recommended for All Expectant Moms
New guidelines say pregnant women of all ages should get less invasive screen

New Clues to Neurological Diseases Discovered
Findings could lead to new treatments, two studies suggest

Doctors Criticized For Way They Deliver Down Syndrome Diagnosis
Some mothers call physicians insensitive when breaking the news, survey finds

Down Syndrome: A Medical Riddle That’s Slowly Being Solved
People with the disorder are living longer lives

Genetic Link to Down Syndrome Gets Murkier
Mouse study finds disorder isn't tied to just one chromosome