Lifestyle

The body keeps a tight rein on electrolytes in most situations

DEAR DR. ROACH: Can you explain electrolytes? How can we make sure we keep our electrolytes in the normal range within our body? Are we wasting our money purchasing bottled water that says, “includes electrolytes”? I came across an electrolyte powder that can be added to water. Is this the best way to keep electrolytes in the normal range? How can we tell if we are taking too much electrolytes? -- A.R.

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EIGHT LIVES LEFT?

Dear Readers, Beneath a sky still rippled with clouds like a puffy bedspread, our swollen pond is all murky browns and greens with waves piling winter grass flotsam against the dam. That storm coming up from the South I told you about last week? Well that barely spit on us.

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The effectiveness of vaccines is complicated

Dear Dr. Roach: I was wondering if you could explain why some vaccinations seem to completely protect against a disease, while others do not. For example, smallpox was completely eradicated by vaccination, and the hepatitis B vaccine is good for life and 98% to 100% effective, according to the World Health Organization. Yet we need to have the flu vaccine each year. I understand that is partly due to different strains of flu that come through, and of course we have the coronavirus vaccine, which ... I hope you can see where this question is going. I think an understanding of the vaccines we have and how they work would be extremely beneficial to all. -- M.S.

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