=== HTTP code : 301 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Content-length: 0
Location: https://www.upi.com/Health_News/2015/10/23/Optical-scanner-could-allow-real-time-breast-cancer-screening/2861445625316/
Connection: close

Request headers
================
HEAD /Health_News/2015/10/23/Optical-scanner-could-allow-real-time-breast-cancer-screening/2861445625316/ HTTP/1.1
Host: upi.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Accept: */*
Referer: https://bme.fiu.edu
Connection: close


Link is valid.