"Refraining from going out too much isn't good either as it lowers your immune system."
"Staying indoors too much lowers your immune system too so, ~"
"Refraining from going out too much" 「外出を控えすぎる」
"~isn't good either" 「〜も良くない」
"as it lowers your immune system" 「免疫力が下がるので」"lowers" の代わりに "weakens" 「力を下がる」も使えます。"as it weakens your immune system."
- "Staying indoors too much lowers your immune system too so, ~"
"staying indoors too much" 「家に残りすぎる」
"lowers your immune system too so, ~" 「も免疫力が下がるので
Avoiding going out too much can lower your immunity, which isn’t good.
Avoiding going out too much can lower your immunity, which isn’t good.
Staying home too much can weaken your immune system.
Not going out at all can actually be bad for your immune system.
「外出を控えすぎるのも免疫力が下がって良くない」は英語では
・外出を控えすぎる（avoid going out too much / stay home too much）
・免疫力が下がる（lower your immunity / weaken your immune system）
・良くない（isn’t good / can be bad）
オーストラリア 
アメリカ合衆国 
