Sections

News
Weather
Sports
Features
Videos
Let’s Chatt
TV
Contests
About
Livestream
Shop
- BIG Deals

About

Connect With Us

WDEF

Search

News
Weather
Sports
Features
Videos
Let’s Chatt
TV
Contests
About
Livestream
Shop
- BIG Deals

Biogen

Alzheimer's drug Aduhelm

Biogen will stop selling its controversial Alzheimer’s drug Aduhelm

Associated Press,

January 31, 2024

Local Events

What's On TV Now

Complete TV Programming

© 2025 WDEF.

This Is The Place.

Talk To Us

Talk to News 12 anchors, reporters and meteorologists. When you see news happening, share it! We’d love to hear from you.

423-785-1200 | news@wdef.com
3300 Broad Street, Chattanooga TN 37408

Watch Us

We live, work and play right here in the Tennessee Valley. We are your neighbors. We celebrate community and we tell your stories. We are the most trusted source for local news.

Get Alerts

Download the News 12 News and Weather Apps on your smart phone or tablet device to receive breaking news and weather push notifications the minute it happens.

Mobile App|Weather App | WDEF Email Sign Up

Closed Captioning
EEO REPORTS
FCC
PUBLIC FILE

Home

Station History
Contact Us
Advertise With Us
News Team
News 12 Mobile App and Newsletter
FCC
Employment

News

Local News
Headlines on Demand
CBSN – CBS News Live Video
Regional News
National News
Entertainment
TV Listings
Watch CBS
Bounce TV
ION Mystery
Grit TV
Court TV
Laff TV

Features

Viewer’s Choice Awards
Golden Apple Award
Driving Our Economy Forward
More To The Story with Staley
Your Community With Kay
Chip’s Good Word
Mom to Mom
What’s Right With Our Schools
Tech Byte

Weather

Weather
Weather Overtime Blog
Closings & Delays
Interactive Radar
Weather Cam Network
How to Program Weather Radio
Weather In The Classroom
Sports
Sports
High School Football
Scholar Athlete of the Week
Chattanooga Soccer
Tennessee Volunteers
Tennessee Titans
Atlanta Braves
Chattanooga Mocs

© 2025, WDEF-DT.