Elizabeth Warren and others joined by unions and industry experts in warning against the weakening of regulations

The senator Elizabeth Warren, the congresswoman Ilhan Omar and several other Democratic lawmakers are calling on the Occupational Safety and Health Administration (Osha) to abandon a rollback of respirator mask regulations, a change the lawmakers say would weaken worker protections against hazardous substances.

Under the proposed rules, employers would face fewer requirements to provide workers with respirators masks when working with substances including “lead, asbestos, formaldehyde and inorganic arsenic, among other chemicals”, the lawmakers wrote in a letter to the Osha assistant secretary, David Keeling, a former UPS and Amazon executive.

Effort to loosen rules on unproven peptide drugs, favored by RFK Jr, faced fierce pushback from agency scientists

A plan to give people in the United States easier access to unproven peptide drugs favored by the US health secretary, Robert F Kennedy Jr, was opposed by most Food and Drug Administration scientific staff members, who had limited input in drafting the policy, according to six people familiar with its development.

The document posted online on Wednesday by Kennedy’s Department of Health and Human Services (HHS) covers a handful of injectable peptides promoted within the wellness industry for building muscle, healing injuries and boosting energy.

Democrats urge FTC to tackle ‘systemic failure’ of biggest convenience and dollar stores over pricing practices after Guardian investigations

Thirty-four members of Congress are calling on the Federal Trade Commission to investigate reports of widespread overcharging by some of America’s most-recognized brand-name retailers.

The 28 October letter to the FTC comes in direct response to Guardian investigations of four of the nation’s largest dollar-store and convenience-store chains. Both investigations revealed pervasive mismatches between shelf labels and register prices.