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Yes, you can drink coffee when you’re sick if you hydrate, skip it with vomiting or diarrhea, and avoid it near bedtime or with stimulant cold medicines.

Yes, plain green tea fits intermittent fasting because unsweetened brewed tea is effectively calorie-free and does not raise insulin.

Yes, people with high blood pressure can drink coffee in moderation, but caffeine can raise blood pressure briefly, so dose and timing matter.

No—coffee should be sipped only after removing the retainer; heat, color, and sugars can damage the appliance and stain teeth.

No, you shouldn’t drink expired apple juice if opened or spoiled; sealed shelf-stable juice may be fine past “best by” when stored correctly.

Yes, coffee fits keto when it’s unsweetened; add fat or low-carb creamers and skip sugar-based syrups to keep net carbs near zero.

Yes, you can drink coffee with the flu in small amounts, but hydration, sleep, and symptoms should guide how much and when.

Yes, coffee is fine with most antibiotics; limit caffeine on ciprofloxacin or norfloxacin and keep milk away from doses that bind to minerals.

Yes, you can drink decaf tea during pregnancy; keep daily caffeine under 200 mg and pick simple blends without risky herbs.

No—avoid cranberry juice with warfarin; small servings are usually fine with newer blood thinners, but check your plan with your prescriber.