Children are labeled as "RADs", "RAD-kids" or "RADishes". Between 1953 and 1975, absorbed dose was often measured in rads. However, female "H. hebetor" were sterilized at 4,210 rads (4,800 R) exposure. RADS (Reactive Airway Dysfunction Syndrome) may be caused by acute exposure to vinyl chloride. Treatment for RADS is similar to treatment for other disorders that result from acute inhalation. Another study showed that 218,373 rads (249,000 R) exposure instantly killed 100% "H. hebetor". Preexisting allergies can be a risk factor for developing RADS. Some experts classify RADS as occupational asthma. It is measured in rads and causes slow gradual degradation of the device's performance. She tags along with Renna and the rads. GATR R-18 was taken over by the 666th RADS as OL-A. Tom Bates wrote the book "Rads" on the subject (). One of these systems is called the Roadway Animal Detection System (RADS).