Rad Absorption (Broken Steel)

 is a perk added to Fallout 3 with the Broken Steel add-on.

With this perk, your radiation level will decrease by 1 rad every 20 seconds. Waiting one hour will heal 60 rads, meaning that waiting 17 hours will reduce your rad count to zero from any amount. The rate also applies to fast-traveling.

This perk is useful in preventing Rad build up and combined with a high radiation resistance can reduce incidences of serious radiation poisoning to few and far between. It synchronizes well with Solar Powered for healing minor health damage and minor radiation poisoning while fast traveling.

This perk can also be mildly useful for removing the radiation gained from eating contaminated meals. Where much of a stimpaks healing effect will be wasted and the player is already carrying looted foodstuffs (especially if using 100 medicine, and fast metabolism), or those with beneficial attributes such as Yao Guai meat, NukaLurk meat and Mississippi quantum pie. The Chemist perk does not effect these items (as they are not addictive), increasing the total number a player may eat while exploring and thus their radiation level.

However, it is a very slow way of clearing large amounts of radiation.

Other methods of clearing radiation include
 * Using my my first infirmary in the player house.
 * Using Rad Away.
 * Eating punga fruit ( Point Lookout DLC).
 * Trading buffout and strange meat to the residents of Little Lamplight for cave fungus.
 * Paying 75 to 100 caps for a doctor to clear your radiation.
 * Using a healing archway ( Mothership Zeta DLC).

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