March 29, 2019 4:40 pm Spring Allergies Reach Severe Status in San Diego Schalch Lepe, M.D. tells NBC 7 the number of patients complaining of allergies is picking up in San Diego County. US & World Videos 3:45 What is brain fog? 2:58 Climate change is causing distress, anxiety among young Americans 1:32 How to prevent mosquito bites 2:07 CDC issues new guidelines for IUD pain management 51:58 Kids in Crisis: Mental health and youth