September 21, 2023 10:42 am What to know about Alzheimer's disease Did you know September is World Alzheimer’s Month? Dr. Kavita Desai explains what the disease is and what we can do know to try and prevent the disease later in life. US & World Videos 2:02 Snowstorm causes delays and cancellations at Logan 2:19 Plans to relocate Boston students to Roslindale Community Center met with criticism 4:47 Winter weather impacts roads, delays flights ahead of holidays 5:46 Snow falls across Greater Boston, impacting roads and air travel ahead of holidays 2:32 Santa's helpers hand out presents to children