weather July 17, 2024 1:04 pm How extreme heat can affect your mental health Scorching heat and humidity is dangerous for our physical health — but it can also impact mental health. News4’s Juliana Valencia reports. Local 2:36 Report highlights risks of a compromised Potomac River 2:21 Prince George's County blood drive to help sickle cell patients in need of transfusions 2:39 Police video shows husband of missing Virginia mother speak with officers 3:59 Metro planning to run trains in automatic mode for 1st time in 15 years 2:16 Trees have faces and fall is a great time to plant